Joomla! Core is prone to a vulnerability that lets attackers upload arbitrary files because the application fails to properly verify user-supplied input. Depending on the server configuration, an attacker can exploit this vulnerability to upload arbitrary code and run it in the context of the webserver process. This may facilitate unauthorized access or privilege escalation; other attacks are also possible. Joomla! Core versions ranging from 2.5.0 and up to and including 3.8.7 are vulnerable.


Update to Joomla! Core version 3.8.8 or latest


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